The best insurance to protect your wealth is to stay in good health by exercising daily and using a condom during intercourse with someone other than your lifelong partner.
According to me, you should check the health insurance plan provided by Zurich in Singapore. I have taken the same for my employees. Some of the benefits covered by the product include accidental death and permanent disability expenses, travel medical expenses, accident medical expenses, etc. http://zurich.com.sg/home/general-insurance/accident-and-health